Chair of Drilling and Completion Engineering (590)
Organisational unit: Chair
301 - 310 out of 365Page size: 10
Research output
- Published
An Energy Based Comparison of Alternative Drilling Methods
Elahifar, B., Esmaeili, A., Prohaska-Marchried, M. & Thonhauser, G., 2011, SPE/IADC Middle East Drilling Technology Conference and Exhibition. p. 1-13Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- Published
Experimental Determination of Wellbore Diameter and Shape by Using Ultrasonic Caliper Within Different Fluids for Real Time Drilling Application
Elahifar, B., Esmaeili, A., Fruhwirth, R. K. & Thonhauser, G., 2012, Celle Drilling 2012. p. 1-2Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- Published
Real Time Measurement of Borehole Shape and Diameter by Using Ultrasonic Caliper in Different Drilling Fluid and Wellbore Conditions for Detecting Instabilities
Elahifar, B., Esmaeili, A., Fruhwirth, R. K. & Thonhauser, G., 2012, Society of Petroleum Engineers. p. 1-7Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- Published
Determining the Accuracy of Ultrasonic Caliper Measurements for Real Time Drilling Application
Elahifar, B., Esmaeili, A., Fruhwirth, R. K. & Thonhauser, G., 2012, Society of Petroleum Engineers. p. 1-11Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- Published
Studying the ultrasonic caliper results for detecting the wellbore instability in real time drilling
Elahifar, B., 2012.Research output: Contribution to conference › Poster › Research › peer-review
- Published
Wellbore Instability Detection in Real Time Using Ultrasonic Measurements
Elahifar, B., 2013Research output: Thesis › Doctoral Thesis
- Published
Experimental determination of wellbore diameter and shape (4D imaging of wellbore) by using ultrasonic caliper within different fluids for real-time drilling application
Elahifar, B., Esmaeili, A., Fruhwirth, R. K. & Thonhauser, G., 2013, In: Oil gas European magazine. 39, 1, p. 16-19 4 p.Research output: Contribution to journal › Conference article › peer-review
- Published
Accuracy of ultrasonic sensor in caliper log
Elahifar, B., Esmaeili, A., Fruhwirth, R. K. & Thonhauser, G., 2012. 5 p.Research output: Contribution to conference › Paper › peer-review
- Published
Numerical Study of Swab and Surge Pressures in Wellbores
Eisengschirr, D., 2019Research output: Thesis › Master's Thesis
- Published
Identification and Analysis of Potential Retarders for Geopolymers Designed for Well Cementing
Eid, E. A. A. I., 2020Research output: Thesis › Master's Thesis
